Endocrine Abstracts

Background: Neonatal hyperthyrotropinaemia (HT) is defined by elevated thyroid stimulating hormone (TSH) and normal free-thyroxine (FT4) level. Persistent HT in the neonatal period is often a diagnostic dilemma for clinicians to either treat to prevent subclinical hypothyroidism or to wait and monitor thyroid function tests (TFTs).Methods: As part of an audit, 1449 term infants who had TFTs undertaken as part of a prolonged jaundice screen from 2012&#150...